under california law, on any boats under 26 feet, children 13 and under must wear a life jacket. roberts stresses beyond legal guidelines, it's just common sense. >> they all could have easily been killed. it could have been seven fatalities. >> reporter: last weekend crab season opened up which means a huge influx of people to get dungeness crab ahead of thanksgiving. but experts warn with the nicer fall temperatures also comes some complacency. make sure to check the conditions out there and play it safe, wait for a better day. at tomales day, stephanie trong, nbc bay area news. >> thankfully the kids are okay. >>> we have record heat across the bay area, but there are big changes on the way. let's bring in jeff ranieri with a look at what is next. the last couple of weeks have been a roller coaster, jeff. >> a huge temperature extremes expected over the next seven days. today 11 different records set across the bay area. and the remarkable thing is we could have today more records on this single day than we have had for any other day. not only this year, but for last year. bod